If dot measuring work is processing at a longer distance than formal hand reaching, not able to rely on prior dot positioning work, it would become an efficient job to operate a high energy density beam emitting tool of a 650nm red laser diode module. It keeps work with continuous red laser beam and red reference dot projection from laser beam aperture. Being made with an external electric power source supply and different dimension metal housing tube design, only if red dot laser gets larger space leaving for tube cooling down, it just enables ultra long time lasting and highly stable red dot indication for a lot of raw material processing works conveniently.
https://www.berlinlasers.com/650nm-red-laser-diode-module
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